package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;


@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 添加新菜单和套餐
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize){

        //构造分页构造器
        Page<Category> pageInfo = new Page<Category>(page, pageSize);

        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //根据sort升序
        queryWrapper.orderByAsc(Category::getSort);

        categoryService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }

    /**
     * 根据id删除判断是否存在关联
     * @param id
     * @return
     */

    @DeleteMapping
    public R<String> delete(Long id){
        log.info("id:{}",id);
        categoryService.remove(id);
        //categoryService.removeById(id);
        return R.success("删除成功");
    }

    /**
     * 根据ID修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("修改成功");
    }

    /**
     *
     * @param category
     * @return
     */

    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();

        //添加条件
        queryWrapper.eq(category.getType() != null,Category::getType,category.getType());

        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);

        return R.success(list);
    }

}
